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post #41 of 43
Quote:
Originally Posted by rdtinco View Post
Yes, you managed to do it.

As you can also see, the idle speed was also raised as a result. The idle multiplier is still 6, but as the FSB rating went from 200 to 266Mhz, now the CPU idles at 1.6 Ghz instead of 1.2.


As to GPU's that are PCIe 2.1 not working in PCIe 1.1, I haven't heard a lot of those complaints, but I'm not really into that matter, so if you've heard that, better to be cautious then.

The GT240 makes sense in that case then. Or you can look for a second hand HD4850 or a 9800GTX+, both provide better performance. Actually, you can still find 9800GTX+ cards new for sale, sometimes for the same price as that overclocked GT240 you linked a few posts behind. Or, you can get a GTS250, which is essentially a re-branded 9800GTX+.

Oh, I''ve just noticed you have two X1300's in Crossfire; when you buy a new card, you can take them both out and probably still save electricity.



Quote:
Originally Posted by jdcrispe95 View Post
Speedsteep lowers the CPU voltage/Mhz when your idle, not doing alot... this DOES slow down the computer, I saw about a 17% performance increase when I disabled speedstep, my bootup was also 30% faster.

Speedstep: when idle/not doing alot im running at 1.2Ghz, without it im running 3.64Ghz
firefox boot w/ Speedstep on: 13.8seconds
firefox boot w/ Speedstep off: 6.2seconds

Windows live w/ speedstep on: 17.2 seconds
Windows live w/ speestep off: 13.6 seconds

you get the message.

Turn it off for full speed speed advantage.


As to SpeedStep taking out performance, the difference shouldn't be so pronounced. First, because the system only takes a fraction of a second to react and increase clockspeed; second, because Intel locks the idle multiplier for a reason, so that it is not too low to compromise performance.

Your (the original Poster) CPU idles at 1.6 Ghz, and ramps up to 2.6; however even 1.6Ghz is more than enough to load an application, not to mention it will only stay at that frequency for a short while.

I for example have a Q9550, that comes with a stock clockspeed of 2.83 and a multiplier 8,5x333 and a an idle multiplier of 6x. That means it idles at 2 Ghz, which is more than enough to have a speedy ramp up back to 2,83Ghz.

And because I overclocked it to 3.2Ghz and lowered the multiplier to 8, now it stands at 8x400. That 1600FSB however also raises the idle speed to 2.4Ghz, and thus the distance between idle and load clockspeed is not to great so as to have a big performance impact.

The problem with high-end multiplier unlocked CPU's and CPU's that have a lower stock FSB - like the previous poster - jdcrispe95 , is that you either don't have to change the FSB to overclock the CPU, you are allowed to increase the multiplier, and thus the gap between full speed and idles speed widens too much and you start to notice too much of a difference between having Speedstep on or off, or the same thing happens because you have a much bigger multiplier difference between idle and load.

In the previous poster's case, he overclocked his CPU, but even at stock it has that problem It has a multilpier of 13x and the same idle multiplier of 6x. In fact, his CPU also runs at 2.6, the same as you, but you can get there with a lower multiplier of 10x, thus your gap is smaller than his. And the more he overclocks, the bigger the gap.

In your case though, it does not make much difference, unlike the previous poster that has a huge, 2 Ghz gap.

By the way, the previous poster cannot have a 1.2 Ghz idle speed when overclocked.

Load: 3.64 Ghz /13x multiplier = 280Mhz FSB (1120 FSB)

Idle: 6x280 = 1.68 Ghz and not 1.2 Ghz


1.2 Ghz is when he is at stock speeds:

Idle: 6 x 200 Mhz FSB = 1.2 Ghz
Load: 13 x 200 Mhz FSB = 2.6 Ghz

The gap at stock is more manageable (but bigger than yours), at 1.4 Ghz
When overclocked however the gap widens to almost 2Ghz. No wonder he is having such a performance penalty.

But that is a trade-off he has to make. The Pentium E5300 is a budget CPU, with a low 800Mhz FSB.

Higher end CPU's of the Core line have a faster FSB. 1066Mhz in you case, Or 1333Mhz in the COre 2 Duo E8xxx line and Core 2 Quad Q8xxx and Q9xxx

As I said, in your case I wouldn't worry.
Edited by tpi2007 - 2/27/11 at 11:20am
 
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Metro 2033 review
Metro 2033
CPUMotherboardGraphicsRAM
Core i7-3820 Asus Sabertooth X79 MSI GTX 750 Ti TF Gaming 16 GB Corsair DDR3 1866 Mhz Dominator 
Hard DriveOptical DriveCoolingOS
Samsung SSD 830 128GB + WD Caviar Black 1TB Sony Optiarc DVD-RW Corsair A70 + Noiseblocker M12-P Windows 7 Home Premium 64-bit 
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post #42 of 43
nvm
My System
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 2600K MAXIMUS V FORMULA EVGA 780 Classified 2x4gbB Mushkin Radioactive 
Hard DriveHard DriveHard DriveHard Drive
Kingston Hyper X SSD Samsung HD204UI Samsung HD753LJ Samsung HD753LJ 
Hard DriveCoolingOSMonitor
Samsung 840 evo Heatkiller block-p.a. 120.3 rad Win 7 x64 Asus VE278 
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My System
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 2600K MAXIMUS V FORMULA EVGA 780 Classified 2x4gbB Mushkin Radioactive 
Hard DriveHard DriveHard DriveHard Drive
Kingston Hyper X SSD Samsung HD204UI Samsung HD753LJ Samsung HD753LJ 
Hard DriveCoolingOSMonitor
Samsung 840 evo Heatkiller block-p.a. 120.3 rad Win 7 x64 Asus VE278 
KeyboardPowerCaseMouse
Logitech g15 Corsair TX850 Haf X G500 
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post #43 of 43
Thread Starter 
Thanks for the clear and in depth explanation. I think I will leave speedstep on unless she really ramps up her usage on the computer.
My mom's computer
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Q6700 Asus P5B Radeon X1300 2x2GB G Skill F2-8500CL5S-2GBPK 
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Hitachi 160GB Sata Optiarc AD-7191s Windows XP SP3 HannsG HH241 
PowerCase
850W Coolermaster 
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My mom's computer
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6700 Asus P5B Radeon X1300 2x2GB G Skill F2-8500CL5S-2GBPK 
Hard DriveOptical DriveOSMonitor
Hitachi 160GB Sata Optiarc AD-7191s Windows XP SP3 HannsG HH241 
PowerCase
850W Coolermaster 
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